Word: 石墨烯 (shímòxī) 石墨烯 dictionary entry shímòxī graphene Full dictionary entry for 石墨烯 Example sentences using 石墨烯 2 sentences, showing page 1 of 1. 石墨烯为什么这么贵？ Shímòxī wèishénme zhème guì? Why is graphene so expensive? 这种电池里加入了石墨烯材料。 Zhèzhǒng diànchí lǐ jiārùle shímòxī cáiliào. Graphene material has been added to this kind of battery.